pizzas = ['apple pizza', 'banana pizza', 'orange pizza', 'peach pizza']
for pizza in pizzas:
    print('I like ' + pizza + '.')
print("Pizza is my favorite food!")
friend_pizzas = pizzas[:]
pizzas.append('carrot pizza')
print('My favorite pizzas are:')
for pizza in pizzas:
    print(pizza)
print("My friend's favorite pizzas are:")
for pizza in friend_pizzas:
    print(pizza)